Newbie: Proxy to Glassfish

[Maxim Dounin]

Hello!

On Fri, Apr 08, 2011 at 03:25:53PM -0400, GZ1 wrote:

> Hello,
> I'm migrating an app from Apache/JBoss to nginx/Glassfish.  I think I'm
> starting to grasp the server-location design but am getting errors when
> I try to proxy a request to Glassfish.  Here's a clip from my config:
> 
> 	server {
> 		server_name		www.foobar.com foobar.com;
> 		root			html/prod;
> 		index			index.html;
> 		location /dc {
> 			proxy_pass              $scheme://localhost:8080$request_uri;

- 			proxy_pass              $scheme://localhost:8080$request_uri;
+ 			proxy_pass              http://localhost:8080;

> 			proxy_set_header        X-Real-IP $remote_addr;
> 			proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
> 			proxy_set_header        Host $http_host;
> 		}
> 	}
> 
> The gist of it is I want all dynamic content (dc) to go to glassfish,
> i.e. foobar.com/dc/somepath/page.jsp
> Everything else (presumably the static content) is served from
> html/prod. (That part works)
> I want the path to determine what happens, not the file extensions
> (because I have some .js that is static and other that is generated by
> the server).
> 
> I have a "hello world" app running on glassfish that works when accessed
> directly from localhost:8080/webtest/home,
> but when I try foobar.com/dc/webtest/home I get a 502 Bad Gateway error
> in the browser.  The nginx error log reports this:
> 
> 2011/04/08 14:13:30 [notice] 3884#3940: signal process started
> 2011/04/08 14:13:35 [error] 828#3472: *6 no resolver defined to resolve
> localhost, client: 127.0.0.1, server: www.foobar.com, request: "GET
> /dc/webtest/home HTTP/1.1", host: "foobar.com"
> 
> Any ideas what might be wrong with my configuration?

Don't use variables in proxy_pass directive unless you really know 
why you need them and what it implies.

Maxim Dounin